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1 files changed, 42 insertions, 0 deletions

diff --git a/src/ui/events/window_event.hpp b/src/ui/events/window_event.hpp
new file mode 100644
index 00000000..21c644af
--- /dev/null
+++ b/src/ui/events/window_event.hpp
@@ -0,0 +1,42 @@
+#pragma once
+#include "pre.hpp"
+
+#include <Windows.h>
+
+#include "ui_event.hpp"
+
+namespace cru::ui::events {
+struct WindowNativeMessage {
+  HWND hwnd;
+  int msg;
+  WPARAM w_param;
+  LPARAM l_param;
+};
+
+class WindowNativeMessageEventArgs : public UiEventArgs {
+ public:
+  WindowNativeMessageEventArgs(Object* sender, Object* original_sender,
+                               const WindowNativeMessage& message)
+      : UiEventArgs(sender, original_sender),
+        message_(message),
+        result_(std::nullopt) {}
+  WindowNativeMessageEventArgs(const WindowNativeMessageEventArgs& other) =
+      default;
+  WindowNativeMessageEventArgs(WindowNativeMessageEventArgs&& other) = default;
+  WindowNativeMessageEventArgs& operator=(
+      const WindowNativeMessageEventArgs& other) = default;
+  WindowNativeMessageEventArgs& operator=(
+      WindowNativeMessageEventArgs&& other) = default;
+  ~WindowNativeMessageEventArgs() override = default;
+
+  WindowNativeMessage GetWindowMessage() const { return message_; }
+
+  std::optional<LRESULT> GetResult() const { return result_; }
+
+  void SetResult(const std::optional<LRESULT> result) { result_ = result; }
+
+ private:
+  WindowNativeMessage message_;
+  std::optional<LRESULT> result_;
+};
+}